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Calculadora científica Casio FX-991LAPLUS 2 generación, 12 dígitos, 417 funciones, funciona a pila y energía solar, negro - Coolbox
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Casio FX-991DE CW Engineering calculator Black Display (digits): 10 battery-powered, solar-powered (W x H x D) 77 x 10.7 | Conrad.com
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